Add uniqueness enforcement to user and group custom attributes

db/migrate/20201210152506_add_unique_constraints_to_custom_types.rb

@@ -0,0 +1,6 @@
+class AddUniqueConstraintsToCustomTypes < ActiveRecord::Migration[6.0]
+  def change
+    add_index :custom_userdata, [ :user_id, :custom_userdata_type_id ], :unique => true, name: :custom_userdata_unique
+    add_index :custom_groupdata, [ :group_id, :custom_group_data_type_id ], :unique => true, name: :custom_groupdata_unique
+  end
+end

db/schema.rb

@@ -66,7 +66,7 @@
     t.datetime "updated_at", null: false
     t.index ["key_handle"], name: "index_fido_usf_devices_on_key_handle"
     t.index ["last_authenticated_at"], name: "index_fido_usf_devices_on_last_authenticated_at"
-    t.index ["user_type", "user_id"], name: "index_fido_usf_devices_on_user_type_and_user_id"
+    t.index ["user_type", "user_id"], name: "index_fido_usf_devices_on_user"
   end
 
   create_table "friendly_id_slugs", force: :cascade do |t|
@@ -109,7 +109,7 @@
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.text "auth_type", default: "New Login"
-    t.index ["service_provider_type", "service_provider_id"], name: "index_logins_on_service_provider_type_and_service_provider_id"
+    t.index ["service_provider_type", "service_provider_id"], name: "index_logins_on_service_provider"
     t.index ["user_id"], name: "index_logins_on_user_id"
   end